Patent No. EP3119730 (titled "Carbonate-Bonded Construction Products From Steel-Making Residues And Method For Making The Same") was filed by Carbicrete on Mar 23, 2015. The application was issued on Apr 29, 2020.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| CARBSTONE INNOVATION | Jan 29, 2021 | GEVERS PATENTS |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
Get instant alerts for new documents
Jan 2, 2026
Jan 2, 2026
Dec 19, 2025
Dec 19, 2025
Sep 11, 2025
Sep 8, 2025
Sep 8, 2025
Sep 8, 2025
Jul 28, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Apr 3, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Feb 5, 2025
Feb 5, 2025
Feb 4, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Nov 19, 2024
Nov 18, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Oct 24, 2024
Oct 17, 2024
Oct 17, 2024
Oct 17, 2024
Sep 26, 2024
Sep 24, 2024
Sep 18, 2024
Sep 18, 2024
Sep 18, 2024
Sep 16, 2024
Aug 23, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 15, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Feb 24, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 6, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Aug 22, 2022
Aug 22, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 12, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 11, 2022
Aug 2, 2022
Aug 2, 2022
Jul 4, 2022
Jul 4, 2022
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Jul 5, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
Jun 28, 2021
May 14, 2021
May 10, 2021
May 10, 2021
May 10, 2021
May 5, 2021
May 5, 2021
May 5, 2021
May 4, 2021
May 4, 2021
May 4, 2021
Feb 16, 2021
Feb 16, 2021
Feb 4, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
Jan 29, 2021
May 11, 2020
May 8, 2020
Apr 29, 2020
Apr 29, 2020
Apr 29, 2020
Apr 29, 2020
Apr 2, 2020
Feb 27, 2020
Feb 27, 2020
Feb 27, 2020
Feb 27, 2020
Feb 27, 2020
Nov 21, 2019
Nov 21, 2019
Nov 21, 2019
Nov 21, 2019
Nov 21, 2019
Nov 11, 2019
Nov 8, 2019
Oct 28, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 21, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Oct 3, 2019
Jun 26, 2019
May 24, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
Mar 22, 2019
Mar 18, 2019
Dec 27, 2018
Dec 27, 2018
Dec 27, 2018
Dec 27, 2018
Dec 27, 2018
Dec 27, 2018
Dec 27, 2018
Dec 27, 2018
Aug 21, 2018
Aug 21, 2018
Aug 14, 2018
Jun 11, 2018
May 29, 2018
May 29, 2018
May 29, 2018
Oct 3, 2017
Oct 3, 2017
Oct 3, 2017
Oct 3, 2017
Oct 3, 2017
Mar 24, 2017
Mar 8, 2017
Mar 8, 2017
Mar 8, 2017
Mar 8, 2017
Feb 20, 2017
Jan 4, 2017
Nov 3, 2016
Nov 3, 2016
Nov 3, 2016
Oct 18, 2016
Oct 18, 2016
Oct 18, 2016
Oct 18, 2016
Oct 18, 2016
Oct 6, 2016
Jul 29, 2016
May 3, 2016
Oct 13, 2015
Sep 24, 2015
Sep 24, 2015